<div class="row">
    <div class="col-md-12">
        <div class="owl-carousel owl-theme mb-none" data-plugin-options="{'items': 1, 'animateOut': 'fadeOut', 'autoplay': true, 'autoplayTimeout': 3000}">
            <div>
                <img alt="" class="img-responsive img-rounded" src="img2/background/1170x450/12.png" style="margin: 20px;">
            </div>
        </div>
    </div>
</div>